Home / 50,426.07-75,664.62-20,865.12

Finding the Fourth Proportional to 50,426.07, 75,664.62 and 20,865.12

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Solution

The fourth proportional to 50,426.07, 75,664.62 and 20,865.12 is: 31,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,426.07 : 75,664.62 = 20,865.12 : x
  2. Step 2: Convert to fraction form
    50,426.07/75,664.62 = 20,865.12/x
  3. Step 3: Cross multiply
    50,426.07x = 75,664.62 × 20,865.12
  4. Step 4: Simplify right side
    50,426.07x = 1,578,751,376.05
  5. Step 5: Solve for x
    x = 1,578,751,376.05/50,426.07
  6. Step 6: Final answer
    x = 31,308.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.